Kalena Thomhave

As U.S. billionaires got richer and their wealth defense tactics proliferated, audit rates sharply declined. Funding the IRS' wealth squad would help ensure the nation's richest pay their fair share of taxes.

As the Pandora Papers exposed, for the last 30 years, multimillionaires and billionaires have parked their wealth in the state of South Dakota to avoid taxation and secure dynastic wealth for generations.

A new policy brief outlines how the wealthy stow and grow their fortunes for future descendants.